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Message-Id: <1248281171.5738.5.camel@marge.simson.net>
Date: Wed, 22 Jul 2009 18:46:11 +0200
From: Mike Galbraith <efault@....de>
To: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>
Subject: Re: [patch] perf_counter tools: resurrect perf top annotation in a
simple interactive form
On Wed, 2009-07-22 at 16:49 +0200, Peter Zijlstra wrote:
> On Mon, 2009-07-20 at 13:56 +0200, Mike Galbraith wrote:
> > Comments/suggestions/clue_bats welcome.
> >
> > perf_counter tools: resurrect perf top annotation in a simple interactive form.
> >
> > This patch allows the user to select any symbol in kernel space for source level
> > annotation on the fly, switch between event counters and alter display variables.
> > When symbol details are being displayed, stopping annotation reverts to normal.
> >
> > This doesn't make top _fully_ interactive, you can only select among the events
> > you started top with, ie it doesn't stop/start event counters etc.
> >
> > known keys:
> > [d] select display delay.
> > [e] select display entries (lines).
> > [E] select annotation event counter.
> > [f] select normal display count filter.
> > [F] select annotation display count filter (percentage).
> > [qQ] quit.
> > [s] select annotation symbol and start annotation.
> > [S] stop annotation, revert to normal display.
> > [z] toggle event count zeroing.
>
> ok, so I tried this, but the screen updates overwrite this input
> screen before I can read it ;-)
That's not an input screen, it's a legend shown if you poke an unknown
key. Poking a known key prompts for input.
-Mike
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